Leighton Meester Walks Her Pup

Leighton Meester takes her pup for a walk around town on Monday (October 10) in Los Angeles.

The 25-year-old actress was joined for her stroll by a male pal!

PHOTOS: Check out the latest pics of Leighton Meester

Gossip Girl aired its brand new third episode from the fifth season that same day. Guests making appearances in the ep included actress Elizabeth Hurley playing a saucy cougar and designer Chris Benz!

WHAT DID YOU THINK of the latest episode of Gossip Girl?

10+ pictures inside of Leighton Meester and her male pal walking her dog in Los Angeles…